1. When the researcher returns, he gives these children their hard-earned pieces of candy.
    研究人员回来之后，把这些孩子经过努力赢得的糖果给了他们。

2. The researcher invites the children, one by one, into a plain room and begins the gentle torture.
    研究人员将孩子们一个一个地请进一间普普通通的房间，开始了小小的折磨。

3. He is a researcher of Asian and African literatures.
    他研究亚非文学。

4. "The man smiled at me, then lifted up one foot, bent over, and took off his shoe while balancing on his other leg," recalls Wolf, a professor and researcher.
    "他对我微笑着，然后提起一只脚，弯下腰，用另一条腿保持平衡，脱下了那只脚上的鞋，" 教授兼学者的沃尔夫回忆说。"

5. One researcher is attempting to show this experimentally with a study in which groups of parents are taught how to have beneficial conversations with their small children.
    一名研究人员试图通过实验论证这一观点。在他的研究里，几组家长学着如何与自己的幼小子女作有益的交谈。

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